What does the Mona Lisas smile has to do with man and science?
Mona Lisa is a very mysterious Painting, it comes from her smile. One popular idea is that Leonardo painted secret symbols or messages into his artworks. People have analysed his most famous painting, The Mona Lisa, and have found all kinds of hidden meanings and techniques in it. It is certain that Leonardo used some of his best artist’s tricks to create the painting. Many people find the portrait’s smile particularly haunting. They say it seems to change, even though the paint on the surface of the painting obviously does not. nother theory proposed by Christopher Tyler and Leonid Kontsevich of the Smith-Kettlewell Eye Research Institute in San Francisco says that the smile seems to change because of variable levels of random noise in human visual system. If you close your eyes in a dark room you will notice that everything is not perfectly black. The cells in your eyes generate a low level of “background noise” (which you see as tiny light and dark dots). Your brain usually filters
